User Manual Owner's manual

AM Series Boilers and Water Heaters
CHAPTER 8 – SPARE PARTS
Page 124 of 156 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0100_0B
PRI - 07/14/14 Ph.: 800-526-0288 GF-146
6.1.17 Ignition and Flame Detection Sensor Electrode Positioning
For the heater to work properly the electrodes must be positioned as listed below and shown in
Figure 6-7:
Ignition and Flame Detection Electrode Positioning
To insure correct functioning of the burner, the distances listed below should be carefully
verified by hand using calipers.
• The distance between the ignition electrodes “A” and “B”, must be between 0.08 in (2
mm), and 0.10 in (2.5 mm);
• The distance of the ignition electrodes to the burner surface must be between 0.20 in
(5.0 mm), and 0.22 in (5.5 mm);
• The distance of the flame detection electrode to the burner surface must be between
0.23 in (6.0 mm), and 0.27 in (7.0 mm).
Figure 6-7: Positioning the Ignition & Flame Detection Sensor Electrodes